// Delete a message, works only on /Private/username/... topics
func (m *MessagesController) Delete(ctx *gin.Context) {
idMessageIn, err := GetParam(ctx, "idMessage")
if err != nil {
return
}
message := models.Message{}
err = message.FindByID(idMessageIn)
if err != nil {
ctx.JSON(http.StatusNotFound, gin.H{"error": fmt.Sprintf("Message %s does not exist", idMessageIn)})
return
}
user, e := PreCheckUser(ctx)
if e != nil {
return
}
topic := models.Topic{}
err = topic.FindByTopic(message.Topics[0], true)
if err != nil {
ctx.JSON(http.StatusNotFound, gin.H{"error": fmt.Sprintf("Topic %s does not exist", message.Topics[0])})
return
}
isRw := topic.IsUserRW(&user)
if !isRw {
ctx.JSON(http.StatusForbidden, gin.H{"error": fmt.Sprintf("No RW Access to topic %s", message.Topics[0])})
return
}
if !strings.HasPrefix(message.Topics[0], "/Private/"+user.Username) && !topic.CanDeleteMsg && !topic.CanDeleteAllMsg {
if !topic.CanDeleteMsg && !topic.CanDeleteAllMsg {
ctx.JSON(http.StatusBadRequest, gin.H{"error": fmt.Sprintf("You can't delete a message on this topic %s", topic.Topic)})
return
}
ctx.JSON(http.StatusBadRequest, gin.H{"error": fmt.Sprintf("Could not delete a message in a non private topic %s", message.Topics[0])})
return
}
if !topic.CanDeleteAllMsg && message.Author.Username != user.Username {
ctx.JSON(http.StatusBadRequest, gin.H{"error": fmt.Sprintf("Could not delete a message from another user %s than you %s", message.Author.Username, user.Username)})
return
}
for _, topicName := range message.Topics {
// if msg is only in tasks topic, ok to delete it
if strings.HasPrefix(topicName, "/Private/") && strings.HasSuffix(topicName, "/Tasks") && len(message.Topics) > 1 {
ctx.JSON(http.StatusBadRequest, gin.H{"error": fmt.Sprintf("Could not delete a message in a tasks topic")})
return
}
}
err = message.Delete()
if err != nil {
log.Errorf("Error while delete a message %s", err)
ctx.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
return
}
go models.WSMessage(&models.WSMessageJSON{Action: "delete", Username: user.Username, Message: message})
ctx.JSON(http.StatusOK, gin.H{"info": fmt.Sprintf("Message deleted from %s", topic.Topic)})
}
